Alexandra looked plump and awkward in her cast-off clothing.亚历山德拉穿着那身过时的衣裳，显得臃肿笨拙。I think Tessa should plump for Malcolm, her long-suffering admirer.我想特莎应该选择长期默默爱慕她的马尔科姆。The baby is plump and very cute.那个婴儿白白胖胖的,十分可爱....
这是个新课题,需要深入的研究.This is a new subject and needs to be explored in depth.让我们做一次深入的研究.Let's make an exhaustive study.想要对这个问题有更加深入的了解，读读它会受益匪浅。It makes invaluable reading for anyone who wants to acquire a greater depth ...